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Who can explain me the marked part?

  1. Apr 7, 2006 #1
    in the attachment.

    Why the grand total angular momentum is 0?

    thank u!
     

    Attached Files:

  2. jcsd
  3. Apr 7, 2006 #2

    nrqed

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    The notation is explained a few lines above! It's [itex]\,^{2s+1}L_j[/itex] so the subscript "0" tells you that the state has j=0!
     
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